Function updateZ

libs/echarts/echarts-en.simple.js:28909–28919

* @param {module:echarts/model/Series|module:echarts/model/Component} model * @param {module:echarts/view/Component|module:echarts/view/Chart} view

(model, view)

 * @param {module:echarts/view/Component|module:echarts/view/Chart} view
 */
function updateZ(model, view) {
    var z = model.get('z');
    var zlevel = model.get('zlevel');
    // Set z and zlevel
    view.group.traverse(function (el) {
        if (el.type !== 'group') {
            z != null && (el.z = z);
            zlevel != null && (el.zlevel = zlevel);
        }
    });
}

function createExtensionAPI(ecInstance) {
    var coordSysMgr = ecInstance._coordSysMgr;